A&P 2
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| Is it possible to find all the hormones in a blood sample taken from the arm. true or false | true
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| Steroids excert their effects by increasing the amount of cAMP in the target cells. true or false | false
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| Hormones do not stimulate all cell types with equal probability. true or false | true
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| All hormones secreted by the pituitary actually came from the hypothalmus. true or false | false
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| Diabetes insipidus results from an excess production of ADH | false
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| High levels of TSH would suppress thyroxine by negative feedback | false
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| The cells that are stimulated by hormones are referred to as receptors. true or false | false
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| An organ can belong to the digestive and endocrine system simultaneously. true oir false | true
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| Hormones secreted by the adrenal gland can have direct neurological effects. true or false. | true
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| Oxytocin is a peptide hormone secreted by the posterior pituitary. true or false | true
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| Thyroxine is a thyroid hormone also called T3. true or false | false
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| Steroid hormones have their effect on the nucleus and genes of a target cell. true or false | true
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| Non-steroid hormones are called second messengers because they influence the binding site first and the activity site second. true or false | false
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| Different protein kinases, enzymes, stimulate cells to increase their metabolic activities. true or false | true
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| Cyclic guanosine monophosphate is an enzyme which causes the target effects seen with some hormones. true or false | false
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| Prostaglandins are considered hormones, which are stored within cells and released on demand. true or false | false
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| Prostaglandins are known to cause the smooth muscle of the uterus or intestines to contract. true or false | true
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| The levels of insulin in the blood are maintained at constanst, stable, and homeostatic levels. true or false | false
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| The pituitary and andrenal gland can be controlled by the direct influence of the nervous system. true or false | true
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| The pituitary is located within the sella turica of the ethmoid bone, and is attached to the thalamus by the infundibulum. true or false | false
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| As blood levels of the thyroid hormones increase, the secretions of TRH and TSH are reduced. true or false | true
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| Alcohol is known to be a potent anit-aintidiuretic. true or false | true
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| The hypothalmus has chemoreceptors, which are sensitive to changes in blood concentration. true or false | true
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| Diabetes insipidus is a condition that results in edema and swelling because of an excess of ADH. true or false | false
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| Cretinism, a condition of physical and mental retardation, is the result of thyroxine deficiency of. true or false | true
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| In endemic goiter, it is possible to have high levels of TSH but a decrease in the levels oh thyroxine. true or false | true
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| In Grave's disease, thyroxine production can be increased by TSH or autoantibodies that bind to the same receptors of TSH. tgrueor false | true
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| A pheochromocytoma is a tumor of the adrenal cortex which raises blood pressure. true or false | false
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| Male sex hormone can be produced by the testes or adrenal glands. true or false | true
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| Cortisone can either cause or inhibit inflammation. true or false | true
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| The pancreas is an endocrine and exocrine gland that secrets insuline from the alpha cells. true or false | false
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| Cancer cells can produce hormones that affect blood sugar and blood calcium levels. true or false | true
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| Circadian rhythms are those that involve fluctuations that usually last several days. true or false | false
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| Prostaglandins are ______ substances that regulate neighboring cells. | paracine
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| Cyclic AMP functions as a(n) ______ for ______ hormones. [MR-rmembrane receptor] | second messanger; nonsteroid
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| Body uses what to regulate its hormonal releases? | negative feedback, direct nervous stimulation, release of tropis hormones
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| Where are the posterior pituitary hormones manufactued? | in the neurosecretory cells that originte in the hypothalamus
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| There are several types of cells in the anterior pituitary. Which one secret growth hormone? | somatotropes
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| Which anterior pituitary hormone shows increased secretion in response to stress? | adrenocorticotropic hormone
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| Drinking alcohol beverages on hot days is not safe because alcohol inhibits the release of _______ which normally helps conserve water during dehydration. | antidiuretic hormone
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| The thyroid hormones (TH) are responsible for regulating metabolic rate and Ca++ and phosphate ion concentration in the blood. Which TH lowers their concentration in the blood? | calcitonin
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| Hypothyroidism in infants can result in ____? | cretinism
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| The hormone ______, which is secreted by te adrenal _______, causes the kidney to conserve sodium and excrete potassium ions and indirectly helps to maintain systemic blood pressure. | aldosterone; cortex
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| Sex hormones are secreted by ________. | the inner cortex o the adrenal cortex and gonads
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| In the pancreas, ______ cells secrete insulin, which _______ blood levels of glucose. | beta; lowers
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| What seems to be the cause of juvenile-onset or insulin-dependent diabetes mellitus (IDDM)? | immune cells attack the pancreas that can then no longer produce insulin
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| The endocrine gland responsible for the body's circaium rhythm is ______. | pineal
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| Endocrine properties include: | hormone reach targets through the blood, effects are slow and cyclic, efforts caused by chemicals
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| Which of these does not belong with the other? protein, peptide, amino acid, steroid | steroid
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| In the "second messenger" theory, which is the first messenger? | enzyme
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| Which of these is not an endocrine gland? pancreas, testes, salivary gland, parathyroid | salivary gland
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| What are a few funcions of the hypothalamus? | affect heart rate, control temperature, affect water balance
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| What hormone is made by the posterior pituitary? | ADH
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| Which hormone directly affects blood perssure? | ADH
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| The hormone _____ causes the contractions of labor. | oxytocin
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| Which hormone has the greatest influenc on the ability to secrete milk? | prolactin
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| Which hormone causes excessive skeletal growth or gigantism? | somatrotropin
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| Which of these does not directly stimulate the gonands? FSH, TSH, LH, ICSH | TSH
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| Which hormone has the greates effect on metabolism? | (T4) Thyroxine
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